24" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling w18h18 which the interior PET provides

which the interior PET provides

reducing energy costs and maximizing HVAC system lifespan

+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only

Actual Filter Size – 29 3/4"w x 19 3/4" x 1"

Actual Filter Size – 29 3/4"w x 15 3/4" x 1"

24" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling w18h18 which the interior PET provides+ Product Details Size 24"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 2" wider. High Quality High quality steel with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Heavy gauge steel. Heavier gauge than needed, built for durability and long life in mind, and yet lightweight and easy to handle. Noise free components no